Council District Map
Identify your City Council district by typing in your address.
Jurisdictions Web Map
Determine a location's jurisdiction by searching for an address or street name.
Property Profile answers questions about specified properties and development regulations within the City. With Property Profile you can search for information, see aerial images including street views, create custom maps, download data, and run a report detailing information about a specified property.
An interactive map where you can find a park, trail, or the nearest parks and recreation amenity/facility.
Zoning Profile Report
Validate the Zoning, Zoning Cases, Zoning Ordinances, Zoning Overlays, Future Land Use & Regulating Plan information that is associated with a property.
AE Storm Center
Customer Outage Portal. Shows location and severity of power outages across the city.
Downtown Map Viewer
Viewer with a default view of downtown and containing overlays and districts specific to downtown.
Watershed Web Map
Find out which watershed you live in.
Flood Mitigation Buyout Map provides the status of flood mitigation buyout activities in the City of Austin.
Contains a variety of useful information about flooding in Austin.
This web map will help the user get a better idea of the crime activity in areas in Austin, in hopes that the user will be able to make a better informed decision on their desired destination.
This application is a mobile friendly web map for crime incidents. It helps the public get a better idea of the crime activity in their area so they can make more informed decisions about how to stay safe.
City of Austin Cartographic Style Reference
The City of Austin Cartographic Style Reference is a comprehensive guide that details the design properties for the majority of layers contained in the city's GIS. The guide itself is a lightweight html application that reads a configuration file and displays the style properties of any map service listed within
In Austin, Texas, like many places, the numbers of trees in neighborhoods mark a divide of race and income.
For Austin, the correlation can be seen in tree canopy maps that city staff have overlaid with demographics and other data using a geographic information system (GIS). In west Austin—the area west of Interstate 35—tree canopy covers 78 percent of the land. In east Austin, tree canopy covers only 22 percent.
Its really interesting that Interstate 35 is also a dividing line for ecoregions, said Alan Halter, a senior GIS analyst with the City of Austin. If you go west, you get into the Hill Country, with a lot more tree cover, but east Austin hasnt historically supported as many trees. And when you look at who lives where throughout Austins history, communities of color have resided in east Austin.
Inequity in Numbers of Trees
In , Austins Master Plan (a term no longer used due to its racial connotations) relegated the citys Black communities to a district east of present-day Interstate Redlining made it nearly impossible for residents to move, while it placed fewer restrictions on white residents to purchase homes in Austins heavier-canopied parts of town.
The s locked in environmental injustices, when the planning commission zoned all east Austin property as industrial, affecting nearby residents with the areas lower air quality, higher temperatures due to a lack of tree cover, and other health-related issues.
This common pattern is found throughout the world—the prevailing winds, blowing west to east, bring pollution to the eastern parts of town.
When Halter first mapped Austins trees, he was focused on the city councils urban forest plan.
I created the first Community Tree Priority map back in , and it was really tree-planting oriented—to figure out where to plant trees, Halter said. At that time, equity was a consideration but wasnt really a main focus. We were mostly looking at where tree canopy existed and didnt exist, with the idea to increase shade across town and get trees where theyre not currently located.
As Halter added layers of data to the map, he saw the relationship between socially vulnerable neighborhoods and areas with minimal trees. In the wake of Black Lives Matter protests, equity became a strong focus of the Austin Community Climate Plan, so the map needed to change.
We released an update in with equity as the driving force, Halter said. Were now looking at tree planting to achieve positive outcomes for people, such as improved public health; reduced heat-island effects; and, of course, addressing climate change, because its related to everything.
To understand the impacts of having fewer trees, the city participated in an urban heat island mapping project coordinated by the federal governments National Integrated Heat Health Information System, a collaboration between the National Oceanic and Atmospheric Administration (NOAA) and the Centers for Disease Control and Prevention (CDC).
Volunteers drove different routes in their cars with fancy devices poking out of their windows that recorded temperatures every few seconds, Halter said. Using GIS, we could extrapolate temperature readings on a larger scale to see what heat looks like around town and compare it to tree canopy.
The result was an interactive web map showing that morning temperatures were higher in dense urban areas close to the city center than in other areas. Results exposed how concrete structures that absorb solar heat in the day and radiate it at night can be seven degrees hotter than outlying areas in the day and five degrees hotter at night. Strategies to mitigate the effects of urban heat islands include white roofs; more crosswalks so that people dont have to walk as far; more bus shelters; and, of course, more trees.
The Effect of Trees on the Lives of Residents
Planting more trees in an underserved area starts a positive chain reaction: more trees mean more canopy; more canopy means more shade; more shade means less heat; less heat means lower energy bills and more outdoor activity. Therefore, more trees result in improved health and quality of life.
Trees create fresh air while also cleaning some pollutants. The greenery is appealing, which draws people outside where they can move around and be more social. A recent study even found that street trees are present where fewer people take medications to deal with depression. Trees also actively cool areas in a process thats similar to perspiration.
The scientific term is evapotranspiration, Halter says. I noticed it on a superhot day in July at midday, and suddenly these trees started to cry or sweat, as if it was raining. The trees are taking up water from the ground, then it goes up to the leaves, and then the tree rains on itself and the water goes back into the soil. Its kind of a breathing, liquid-to-gas process.
This analogy is fitting, since forests are often called the lungs of the earth, but most people dont experience the process so directly.
Trees cool the environment—you can actually feel it, Halter said.
This measurable benefit is often referred to as an ecosystem service.
Trees also help protect areas from increasingly severe storms—especially important in a place like Austin, which experiences frequent cycles of drought and flooding. Tree roots draw in rainwater and keep the soil from washing away. The leafy limbs slow heavy raindrops before they hit the ground, so the soil is less prone to erosion.
Selecting the Right Trees
In , the US Forest Service (USFS) conducted an inventory of trees in Austin to help understand tree canopy in detail and also assess the carbon sequestration capacity of trees.
USFS analysts determined that in Austin, there are currently million trees, which store about million tons of carbon dioxide. Researchers found that every year, the trees remove about 92, tons of carbon as well as 1, tons of air pollutants, and reduce residential energy costs by $ million.
The inventory included a species review, finding that the most common trees are Ashe juniper, cedar elm, live oak, sugarberry, and Texas persimmon.
Ashe juniper, Halter said, is the number one cause of tree allergens in Austin—but its also the tree species with the greatest air quality impact because its an evergreen species and Ashe juniper trees act as year-round air filters. Ashe juniper also captures the most stormwater runoff and sequesters the most carbon in our urban forest. Its a weird dichotomy—the tree thats disliked the most is also the tree thats helping us the most.
Like all urban-forestry specialists, Halter and his colleagues in Austin have a difficult management task dealing with weather and infestations. Oak wilt, a fungal disease that is spread by beetles and gets into the root system, can be spread from tree to tree underground. The emerald ash borer is a nonnative pest that hasnt hit yet, but Austin is getting ready because once its present, it typically wipes out the entire ash tree population.
We dont yet know the impact climate change will have on pests like borers or the fungus causing oak wilt, but we can expect things to get worse with a rise in temperature, which increases the stress on trees, Halter said. We have tree doctors that go out and give shots to the trees for things like oak wilt, but its really tough for trees to respond and survive if theyre not getting enough water to begin with.
Trees, Equity, and Social Justice
According to Austins climate plan, the city recognizes historical and structural disparities and a need for alleviation of these wrongs by critically transforming its institutions and creating a culture of equity. The city gives away free trees every year, but it has only recently examined—from an equity perspective—where those trees have been planted.
We have to look at who has the means to drive across town on a Saturday to pick up trees, Halter said. So trees are now offered at giveaway events located in previously underserved neighborhoods. With canopy mapping, we can assess it and show people, through the data, what that looks like. And the community tree priority map—with scoring metrics to show areas of higher need—focuses our grant funding and a lot of tree planting.
To help with this work and greater community outreach, the city has established the Youth Forest Council.
We offer paid internships which provide our youth a pathway to green careers, Halter said. The students in the council work alongside professionals in Austins urban forestry program, gaining practical knowledge about natural and environmental sciences, and using GIS for urban forestry. Ultimately, the Youth Forest Council helped shape the community tree priority map, providing valuable input about trees, equity, and health. Halter hopes the students start to see how GIS helps people understand complex relationships.
Of course, we know that climate solutions have the potential to improve the quality of life for all people, Halter says. But we also know that climate change impacts dont really affect everyone equally.
And that is at the heart of our plan. We are preserving existing trees and planting new trees, where trees are most needed.
Learn how GIS advances racial equity; social justice; and sustainable, inclusive development.
About the author
Christopher Thomas is the director of government markets at Esri and a founding team member of the Industry Marketing Department. Prior to joining Esri in , he was the first GIS coordinator for the City of Ontario, California. Thomas frequently writes articles on the use of GIS by government. Follow him on Twitter @GIS_Advocate.
GIS & Geospatial Data Services
Set up your UT ArcGIS Online Account
Creating and Managing your UT ArcGIS Online Account
- Store geospatial datasets in the cloud for backup purposes
- Share access to geospatial data that is stored in your account with other ArcGIS Online users
- Publish map services and feature services for your datasets that allow them to be added to interactive web maps
- Use a simple graphical interface to construct custom interactive web maps that you can share with others
To get started with the process of creating an ArcGIS Online account, follow the steps below:
- Open a web browser and navigate to https://arcgis.com. Once on the page, click the Sign In button in the top right of the page.
- On the Sign In page, click the Enterprise login button. Next, enter ut-austin in the text field that appears under the wording "Your ArcGIS organization's URL" and then click the blue Continue button.
- Click the new blue button which appears that should say University of Texas at Austin. At this point you will be automatically redirected from arcgis.com to the standard UT Austin sign in page. Enter your UT EID and password (the same credentials you use to sign in to all other UT services) and then click the Sign In button.
- You should now be redirected back to arcgis.com and be successfully logged in to your new UT linked ArcGIS Online account. Your unique account name will be automatically created using the formula "UT EID" + "_ut_austin". Every time you would like to log in to your account you will repeat these same steps.
This work is licensed under a Creative Commons Attribution-NonCommercial Generic License.
Arcgis austin maps
.Creating a Map using ArcGIS (A step-by-step guide)
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